ArticleTrebbiano Family TreeWritten by Chik BrennemanGrape descriptors and the region of origin were often used in the Old World in the naming of a grape. In the case of the Trebbiano family of grapes, this was indeed the case. Unfortunately what they didn’t quite know is the family is much more diverse than just a few varietals.Already a member? Log InYou'll Also Like Article MEMBERS ONLY Amarone: A Taste of Valpolicella Find out how to replicate the method of making Amarone — the famed red "straw wine" from the Valpolicella zone of Italy's Veneto province made from grapes partially dried on straw mats to concentrate their juice. Article MEMBERS ONLY Norton: New World nobility The experts surmise Norton is likely a cross between V. aestivalis and an unknown V. vinifera species. There is possibly some contribution of V. labrusca.